Pre-Pennsylvanian rocks along the Front Range of Colorado
| Main Author: | Maher, John C. 1914- |
|---|---|
| Other Authors: | Geological Survey (U.S.) |
| Format: | Map |
| Language: | English |
| Published: |
[Washington, D.C.] :
United States Geological Survey,
1950.
|
| Physical Description: |
3 cross sections ; on sheet 91 x 135 cm. |
| Series: |
Oil and gas investigations preliminary chart ;
39. |
| Subjects: |